Other non-metallic mineralsRefers to mineral resources that do not contain castable metal elements. It mainly includes industrial minerals, chemical minerals, building materials minerals, feed minerals, pharmaceutical minerals, and other types. The products include: vermiculite, slag powder, fly ash, kaolin, bentonite, mica powder, perlite.

PerliteIt is an acidic lava erupted from a volcano and rapidly cooled to form a glassy rock. It is named after its pearl-like fissure structure. It is mainly used for building insulation, soil improvement, and ceramics.